Straight from Wikipedia:
Kingdom Come is a four-issue mini-series published in 1996 by DC Comics. It was written by Alex Ross and Mark Waid. Set some twenty years into the future of the then-current DC Universe, it deals with a growing conflict between "traditional" superheroes, such as Superman, Wonder Woman, and the Justice League, and a growing population of largely amoral and dangerously irresponsible new vigilantes. Between these two groups is Batman and his assembled team, who attempt to contain the escalating disaster, foil the machinations of Lex Luthor, and prevent a world-ending superhuman war.